Washington companies among best places to work

January 16, 2013 |By AUBREY COHEN

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31. Zappos.com, based in Henderson, Nev. Why is Zappos in this gallery when it's based in Nevada? Because Seattle-based Amazon.com bought the online shoe company in 2009. Last year, when Zappos ranked 11th, Fortune wrote: "Zappos maintains its zany culture. New last year: Zfrog awards, which let employees pitch new business ideas, and on-site 'laughter yoga' classes."

Ethan Miller/Getty Images

6of9

31. Zappos.com, based in Henderson, Nev. Why is Zappos in this gallery when it's based in Nevada? Because Seattle-based Amazon.com bought the online shoe company in 2009. Last year, when Zappos ranked 11th, Fortune wrote: "Zappos maintains its zany culture. New last year: Zfrog awards, which let employees pitch new business ideas, and on-site 'laughter yoga' classes."